Border Data
Warehouse
The
Cascade Gateway
Variable Message Signs
Southbound
Northbound
CascadeGatewayData.com
Volume
Departure rate
Delay
Queue length (meters)
Vehicles in queue
Project product
BWT border wide interface
• Nationally summarized wait time data
• Portal to regional archives
Cascade Gateway
data warehouse
• Standard format wait time
data
• Other, regionally available
border data
Existing
Niagara region
data warehouse
Border region data
warehouse 3
Border region data
warehouse 4, etc.
• Standard format wait time
data
• Other, regionally available
border data
• Standard format wait time
data
• Other, regionally available
border data
• Standard format wait time
data
• Other, regionally available
border data
Project product
Future
Future
Simplified comparison of Cascade Gateway ATIS and Niagara BWT schema
Cascade Gateway
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Organization (WSDOT or BC MoT)
Data collection period
Organizational identifier
Detector report
Crossing (crossing & traffic type)
• Crossing ID
• Status (open, closed)
• Lanes (fixed number of lanes)
• Link direction
• Delay
• Open lanes
• Queue length
• Vehicles in queue
• Service rate (vehicles per hour)
Date
Lane data (actually loop data?)
Detector lane number
Detector ID
Detector vehicle speed
Detector vehicle count
Detector occupancy
Detector average-vehicle length
Detector start time
Detector end-time
Link measurement duration
VDS identifier (actually loop IDs)
VDS name (loop names)
Link direction
ATC error code
Niagara
• Network status
• Lane (Traveler, NEXUS, Commercial, FAST)
• Port of Entry code
• System status (operational, down)
• Time/date of last update
• Delay
• Wait time event
• System readiness
Border-wide BWT system data elements for highlevel schema
• Location (port name)
• Direction (to U.S., to Canada)
• Traffic type (Passenger, NEXUS, Commercial,
FAST)
• Time unit associated with records
• System status (operational, down)
• CURRENT delay of cars now arriving at port
• ACTUAL delay of cars now departing port
Task category
1. Establish project advisory
committee
2. Identify system component
owners
3. Document BWT systems
data
4. User needs survey, & BIFA
integration
5. Site visit, systems
requirements, agreements
6. Scope for developer
7. Consultant engagement and
project management
8. System maintenance
strategy and plan
9. Project report & developer
documetation
2012
2013
Sep Oct Nov Dec Jan Feb Mar Apr May Jun
Jul Aug Sep
Sample of System Requirements
• The custom query shall result in multiple output types
including data table, chart, and downloadable file.
• The custom query tool shall allow users to select date
ranges and days of the week.
• The custom query tool shall allow users to group by
month, day of week, day, am/pm, hourly, or by five minute
increment.
• The custom query tool shall allow users to query multiple
detectors or crossings at a time.
Over 100 requirements were identified for Cascade
Gateway Border Data Warehouse